it had just taken off from the myanmar's largest city. so far no word on what forced the pilot to land that plane. >>> and police in upstate new york still don't know why a man shot and killed two for thes who were try -- firefighters who were trying to respond to a house fire. >> awful story, cbs news is in western new york a town that's clearly in shock. >> reporter: candles are burning for two firefighters killed in an ambush the day before christmas. >> our men are hurt and they're not going to be home with their families now. >> reporter: police believe 63- year-old william spangler intentionally set fire to a house and car in order to lure first responders to his neighborhood. >> oh i'm sorry, i just -- it's just christmas. i mean who targets people on christmas? >> reporter: authorities say spangler injured two volunteer firefighters and killed two more before shooting himself. 19-year-old thomas k achouka was filled in for married firefighters. mike ciporini was named firefighter of the year two weeks ago. >> so it's very -- it's